Promethazine is a phenothiazine by-product which differs structurally within the antipsychotic phenothiazines from the existence of a branched aspect chain and no ring substitution. We also use third-get together cookies that aid us assess and understand how you use this Web-site. These cookies might be saved as part of your https://bookmark-search.com/story19897000/promethazine-codeine-fundamentals-explained